How about Defu water heating parking heater?

Defu water heating parking heater is very good. The working principle of parking heater is to use the battery and fuel tank of the car to supply power instantly and make a small amount of refueling. The heat generated by burning gasoline. Heating the circulating water of the engine, thereby heating the engine and the cab. Its advantage is that it can warm the car and create a comfortable driving environment for the driver.